In Case You Missed It
Aero ‘lectrics
What do you do if you need to monitor a number of audio signals, but you don't have room for an audio switching panel? Jim Weir finds the answer in a summing amplifier.
Wind Tunnel
Pitch is not the only axis involved in making an airplane fly well. Yaw and roll are also important, and this month Barnaby Wainfan turns his attention to lateral/directional stability and its effect on flying qualities.
The Home Machinist, Part 9
If parts that don't quite fit are grinding you down, author Bob Fritz has a solution: Use a lathe to create a smooth finish on a precisely proportioned piece. While hes at it, hell demonstrate two ways to use the machines calipers to measure necessary offsets.
The Cost to Build
When a kit airplane or plans purveyor provides an estimated cost to complete a project, consider it with a wary eye that's tempered with real-world experience.